JLG 450AJ Parts Manual User Manual
Page 100

3-8
3120870
SECTION 3 BOOM
S
E
C
T
I
O
N
3
B
O
O
M
108
0642012
Bolt 5/8”-11NC x 1 1/2”
1
109
1683579
Rotator Cylinder Assembly (See Section 5 for Breakdown)
2
110
3311405
Locknut 1/4”-20NC
11
111
3311605
Locknut 3/8”-16NC
4
112
3312005
Locknut 5/8”-11NC
1
113
3422667
Pin
1
114
4040263
Pin
1
115
3841143
Keeper, Pin
2
116
3841258
Keeper, Pin
1
117
Shaft, Pivot
1
Use 3422827
Prior to S/N 50172 (was p/n 4040260)
3422827
S/N 50172 to Present
118
4060946
Guard
1
119
4060947
Guard
1
120
4420055
Tape
6in/18cm
121
Check Valve Assembly Options:
1
Use 4641080
Valve - Prior to S/N39031 (was p/n 4641058)
Not Available
Cartridges, Replacement for p/n 4641058 Valve (Not
Field Serviceable)
4641080
Valve - S/N39031 to Present
121A
7012981
Cartridge, Relief
2
7012998
Seal Kit - 7012981 Cartridge
2
121B
7012955
Cartridge, Check
2
7012967
Seal Kit - 7012955 Cartridge
2
122
4740247
Thrustwasher
1
123
4751400
Flatwasher 1/4”
5
124
Not Used
125
Support Weldment Options:
1
4845609
Prior to S/N 56176
4846090
S/N 56176 to Present
126
Level Weldment Options:
1
Use 4845874
Prior to S/N 38150 (was p/n 4845610)
4845874
S/N 38150 to Present
127
3440636
Roll Pin (Prior to S/N 50172)
1
128
3841340
Hose Loop
1
129
Not Used
130
0962006
Bushing, Garmax
4
131
0641607
Bolt 3/8”-16NC x 7/8”
3
132
0641407
Bolt 1/4”-20NC x 7/8”
7
0258770
PROXIMITY SWITCH INSTALLATION
Ref.
1/A
201
4360464
Proximity Switch/Harness Assembly
1
202
4922197
Relay/Harness Assembly (Not Shown - See Section 7 for
Breakdown)
1
203 to 205
Not Used
206
2540022
Grommet
1
207
2820036
Loom
A/R
FIGURE 3-2. MAIN BOOM AND CYLINDERS INSTALLATION - 450A (CONTINUED)
FIG & ITEM #
PART NUMBER
DESCRIPTION
QTY.
REV.